A viral backyard-telescope photo claims to outshine NASA's $30 billion "close-up" view of interstellar object 3I/ATLAS — but ...

Avi Loeb accused NASA of overlooking key anomalies in interstellar object 3I/ATLAS during a live broadcast, reigniting debate ...

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system.

NASA's treasure trove of new comet 3I/ATLAS images provides hotly anticipated views of the interstellar visitor, including ...

Comet 3I/ATLAS was discovered on July 1 by the Asteroid Terrestrial-impact Last Alert System (ATLAS). Its previous best ...

The unusual comet—which is to pass Earth again in the coming weeks—is only the third known object to visit us from outside ...

NASA released a trove of never-before-seen images of the interstellar comet 3I/ATLAS, unveiling new characteristics of the ...

Comet 3I/ATLAS was first detected in July, sparking a flurry of interest among scientists and in amateur astronomy circles.

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

Discovered over the summer, the comet known as 3I/Atlas is only the third confirmed object to visit our corner of the cosmos ...

Check out some of the new images NASA missions have captured of comet 3I/ATLAS as it makes its way across the Solar System.